[asterisk-dev] libpri: reverse charging

Philipp Kempgen philipp.kempgen at amooma.de
Fri Nov 9 15:54:04 CST 2007

Vinícius Fontes wrote:

> Here in Brazil it is a very common request from our clients to block  
> incoming collect calls. The PSTN sends me a reverse charging message  
> in the call setup, and I found this on q931.c:
>          { 1, Q931_REVERSE_CHARGE_INDIC, "Reverse Charging  
> Indication" },
> My doubt is: is there a way to detect this in the dialplan so I can do  
> a Hangup() in those calls?

afaik you can tell your provider not to allow incoming
collect calls on your PRI.

  Philipp Kempgen

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